/Engine/Plugins/Developer/Concert/ConcertUI/ConcertSharedSlate/Source/ConcertSharedSlate/Public/Session/Activity/SConcertSessionActivities.h
Optional. Used by non-editor instances to provide reflection data about transaction activities.
WidgetArgsType & UndoHistoryReflectionProvider &40; TSharedPtr< UE::ConcertSharedSlate::IConcertReflectionDataProvider > InArg &41;